Whatever made the Hackulous team shut down (http://blog.gsmarena.com/installous-is-no-more-ios-users-find-pirate-apps-elsewhere/) Installous yesterday is surely giving a push to other even easier alternatives for side-loading (and, as is often the case pirating) iOS apps.
Two of them are getting quite a lot of attention since Installous shut down - Zeusmos and Kuaiyong. In fact the Zeusmos website is currently down and huge spike in interest could be one of the explanations.
(http://st.gsmarena.com/vv/newsimg/13/01/pirate-apps-ios/gsmarena_001.jpg)
Both services don